President Obama has deployed 3,000 troops to combat Ebola in West Africa. That may seem like a stretch for a group of people who aren't medical experts, but the US military has a long history of stepping into humanitarian crises – and can add real value to aid efforts.

As people in China become increasingly concerned about the safety of the food they eat, more and more of them are demanding that their government take action. One of the most prominent voices on that front is a young food safety blogger.

President Obama has deployed 3,000 troops to combat Ebola in West Africa. That may seem like a stretch for a group of people who aren't medical experts, but the US military has a long history of stepping into humanitarian crises – and can add real value to aid efforts.

As people in China become increasingly concerned about the safety of the food they eat, more and more of them are demanding that their government take action. One of the most prominent voices on that front is a young food safety blogger.